Integral Epoxy Reinforcement in Skating Shoe Boot Bodies
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Solution Overview
Problem
Conventional methods for making skating shoe boot bodies fail to achieve a balance between reinforcing hardness and impact strength while maintaining a lightweight design, often resulting in uncomfortable user experiences due to non-integrated reinforcements that increase weight and affect performance.
Innovation Solution
A method involving a cutting, mold-making, and shaping process using flexible sheets coated with epoxy resin, which forms integral reinforcements that enhance hardness and impact strength without adding weight or discomfort, by applying the epoxy resin through strategically designed coating slots and molds to create a boot body component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If reinforcements are attached to the lining inside the boot body, then the hardness of the boot body is reinforced, but the weight of the boot body increases and the reinforcements directly press the foot causing discomfort
Solution Approach 1:
The patent merges the reinforcement function directly into the boot body structure by forming reinforcements integrally with the boot body through injection molding. The reinforcements are created as protrusions from the inner surface of the boot body, eliminating the need for separate attached components. This integration maintains the hardness reinforcement function while avoiding additional weight from separate pieces and preventing discomfort caused by detached reinforcements pressing against the foot.
Solution Approach 2:
The patent uses composite material construction by incorporating reinforcement materials directly into the boot body matrix during injection molding. The boot body is formed as a composite structure where reinforcement protrusions are created from the same material or compatible materials, ensuring structural integration. This approach provides the necessary hardness and impact strength while maintaining a unified, lightweight structure without separate attachment components.
2Strength
If reinforcements are attached to the lining inside the boot body, then the impact strength is reinforced, but the reinforcements do not join with the boot body causing user discomfort
Solution Approach 1:
The patent merges the reinforcement function directly into the boot body structure by forming reinforcements integrally with the boot body through injection molding. The reinforcements are created as protrusions from the inner surface of the boot body, eliminating the need for separate attached components. This integration maintains the hardness reinforcement function while avoiding additional weight from separate pieces and preventing discomfort caused by detached reinforcements pressing against the foot.
Solution Approach 2:
The injection molding process automatically forms the reinforcements as integral parts of the boot body during the same manufacturing cycle. The mold design includes features that create reinforcement protrusions directly on the inner surface, eliminating the need for separate attachment operations. This self-integrating process ensures reliable joining without requiring additional assembly steps or fastening mechanisms.
3Ease of manufacture
If conventional methods are used to make the boot body, then the manufacturing process is simple, but the boot body cannot provide both light weight and high hardness simultaneously
Solution Approach 1:
The patent uses composite material construction by incorporating reinforcement materials directly into the boot body matrix during injection molding. The boot body is formed as a composite structure where reinforcement protrusions are created from the same material or compatible materials, ensuring structural integration. This approach provides the necessary hardness and impact strength while maintaining a unified, lightweight structure without separate attachment components.
Solution Approach 2:
The patent changes the manufacturing parameters by using injection molding with specific mold designs that create integral reinforcements. By controlling the injection process parameters and mold cavity design, the system produces a boot body with built-in reinforcement protrusions that provide high hardness and impact strength. This parameter change enables simultaneous achievement of light weight and high strength properties that conventional assembly methods cannot provide.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method effectively integrates reinforcements into the boot body, providing enhanced protection and comfort by improving hardness and impact strength without increasing weight, thus enhancing user performance.
Implementation Method 1
When the epoxy resin is solidified, the at least one reinforcement provides an improved hardness and impact strength to the boot body
Implementation Method 2
The shaping step heats and pressurizes the base sheet on a boot last to form a boot body after the base sheet is cooling
Data Source
AI summary
A method for making a component of boot body for a skating shoe includes a cutting step, a mold-making step, a coating step and a shaping step. The cutting step cuts a flexible sheet to form a base sheet with at least one predetermined coating area. The mold-making step forms a coating mold with at least one coating slot. The coating step applies epoxy resin to the base sheet to form a layer of epoxy resin coating and applies the epoxy resin to the at least one predetermined coating area through the at least one coating slot to integrally form at least one reinforcement on the base sheet. The shaping step heats and pressurizes the base sheet to form a component of a boot body. The at least one reinforcement provides an improved hardness and impact strength to the boot body and keeps a user's foot from injury.